<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <template v-slot:before
          ><span slot="before">共{{ page.total }}条记录</span></template
        >

        <template slot="after">
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import')"
            >导入</el-button
          >
          <el-button size="small" type="danger" @click="exportData"
            >导出</el-button
          >
          <el-button
            size="small"
            type="primary"
            @click="showDialog = true"
            v-if="checkPermission('POINT-USER-UPDATE')"
            >新增员工</el-button
          >
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card>
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />

          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" align="center">
            <template slot-scope="{ row }">
              <img
                slot="reference"
                v-imagError="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="
                  border-radius: 50%;
                  width: 100px;
                  height: 100px;
                  padding: 10px;
                "
                alt=""
                @click="showQrCode(row.staffPhoto)"
              />
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column label="部门" sortable="" prop="departmentName" />

          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template slot-scope="obj">
              {{ obj.row.timeOfEntry | formatDate }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
                >查看</el-button
              >
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)"
                >角色</el-button
              >
              <el-button
                type="text"
                size="small"
                @click="deleteEmployee(row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
      <!-- 放置新增组件 -->
      <AddDemployee :show-dialog.sync="showDialog" />
    </div>
    <el-dialog
      title="二维码"
      :visible.sync="showCodeDialog"
      @close="imgUrl = ''"
    >
      <el-row type="flex" justify="center">
        <canvas ref="myCanvas" />
      </el-row>
    </el-dialog>
    <!-- 放置角色分配组件 -->
    <AssignRole
      ref="assignRole"
      :show-role-dialog.sync="showRoleDialog"
      :user-id="userId"
    />
  </div>
</template>
<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddDemployee from './components/add-employee'
import { formatDate } from '@/filters/index.js'
import AssignRole from './components/assign-role.vue'
import QrCode from 'qrcode'

export default {
  data() {
    return {
      loading: false,
      list: [], // 接数据的
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0 // 总数
      },
      showDialog: false,
      showCodeDialog: false,
      showRoleDialog: false,
      userId: null
    }
  },
  components: {
    AddDemployee,
    AssignRole
  },
  created() {
    this.getEmployeeListApi()
  },
  computed: {},
  mounted() {},
  methods: {
    changePage(newPage) {
      this.page.page = newPage
      this.getEmployeeListApi()
    },
    async getEmployeeListApi() {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    // 格式化聘用形式
    formatEmployment(row, column, cellValue, index) {
      console.log('可枚举的值是', cellValue)
      // 要去找 1所对应的值
      const obj = EmployeeEnum.hireType.find((item) => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    // 删除员工
    async deleteEmployee(id) {
      try {
        await this.$confirm('您确定删除该员工吗')
        // console.log('删除员工的id是', id)
        await delEmployee(id)
        // math.ceil向上取整
        const lastPage = Math.ceil(
          this.page.total / this.page.size // 总页数除以每页数据条数
        )
        if (
          this.page.page === lastPage &&
          this.page.total % this.page.size === 1
        ) {
          // console.log('当前页码', this.page.page)
          // console.log('总页数', this.page.total)
          // console.log('当前页数据条数', this.page.pagesize)
          this.page.page-- // 页码-1
        }

        this.getEmployeeListApi()
        this.$message.success('删除员工成功')
      } catch (error) {
        console.log(error)
        this.$message.error('默认数据不可删除！')
      }
    },
    // 导出excel数据
    exportData() {
      //  做操作
      // 表头对应关系
      const headers = {
        姓名: 'username',
        手机号: 'mobile',
        入职日期: 'timeOfEntry',
        聘用形式: 'formOfEmployment',
        转正日期: 'correctionTime',
        工号: 'workNumber',
        部门: 'departmentName'
      }
      // 懒加载
      import('@/vendor/Export2Excel').then(async (excel) => {
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total
        })
        const data = this.formatJson(headers, rows)

        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx',
          multiHeader, // 复杂表头
          merges // 合并选项
        })
        // 获取所有的数据

        // excel.export_json_to_excel({
        //   header: ['姓名', '薪资'],
        //   data: [['张三', 12000], ['李四', 5000]],
        //   filename: '员工薪资表',
        //   autoWidth: true,
        //   bookType: 'csv'
        // })
      })
    },
    // 该方法负责将数组转化成二维数组
    formatJson(headers, rows) {
      // 首先遍历数组
      // [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
      return rows.map((item) => {
        return Object.keys(headers).map((key) => {
          if (
            headers[key] === 'timeOfEntry' ||
            headers[key] === 'correctionTime'
          ) {
            return formatDate(item[headers[key]]) // 返回格式化之前的时间
          } else if (headers[key] === 'formOfEmployment') {
            var en = EmployeeEnum.hireType.find(
              (obj) => obj.id === item[headers[key]]
            )
            return en ? en.value : '未知'
          }
          return item[headers[key]]
        }) // => ["张三", "13811"，"2018","1", "2018", "10002"]
      })
      // return data
      // return rows.map((item) => {
      //   // item是对象  => 转化成只有值的数组 => 数组值的顺序依赖headers  {username: '张三'  }
      //   // Object.keys(headers)  => ["姓名", "手机号",...]
      //   return Object.keys(headers).map((key) => {
      //     //此时的key表示的是例如姓名、 手机号 单个的数组元素、
      //     return item[headers[key]]
      //   }) // /  得到 ['张三'，’129‘，’dd‘,'dd']
      // })
    },
    showQrCode(url) {
      // url存在的情况下 才弹出层
      if (url) {
        this.showCodeDialog = true // 数据更新了 但是我的弹层会立刻出现吗 ？页面的渲染是异步的！！！！
        // 有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url) // 将地址转化成二维码
          // 如果转化的二维码后面信息 是一个地址的话 就会跳转到该地址 如果不是地址就会显示内容
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },
    // 编辑角色
    async editRole(id) {
      // console.log('********', id)
      this.userId = id // props传值 是异步的
      await this.$refs.assignRole.getUserDetailById(id) // 父组件调用子组件方法
      this.showRoleDialog = true
    }
  }
}
</script>
<style scoped>
</style>
